2113012087 has 2 divisors, whose sum is σ = 2113012088. Its totient is φ = 2113012086.

The previous prime is 2113012063. The next prime is 2113012147. The reversal of 2113012087 is 7802103112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2113012087 - 2²⁷ = 1978794359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113012037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056506043 + 1056506044.

It is an arithmetic number, because the mean of its divisors is an integer number (1056506044).

Almost surely, 2^2113012087 is an apocalyptic number.

2113012087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113012087 is an equidigital number, since it uses as much as digits as its factorization.

2113012087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 2113012087 is about 45967.5112117243. The cubic root of 2113012087 is about 1283.2186426918.

Adding to 2113012087 its reverse (7802103112), we get a palindrome (9915115199).

The spelling of 2113012087 in words is "two billion, one hundred thirteen million, twelve thousand, eighty-seven".